OOB Table Of Contents WebPart To Show All Subsites



1)Edit the LevelStyle.xsl  file in In Top Level site\All Site Contents\Style libray to Show only sites and not the other libraries .

Edit the webpart properties as per the requirements

2)To Show All sites

Top Level site or the Site for which you need to display all subsites--Site actions -->Site settings -->Look and Feel-->Navigation -->Increase value

3)Add the TOC webpart (Edit Page-->Insert Webpart-->Select Content Rollup )

 4)Set the number of levels to one.(Edit Webpart-->Set Properties as below)

 This WebPart can be used as OOB Navigation WebPart through out the site.

This is one more useful blog most ,If more customization is required
Note -->TOC Webpart can dispaly navigation only in single site collection